Are mermaids the new werewolves… the new wizards… our new obsession? That’s what Freeform is betting on with their upcoming mermaid-inspired series, Siren. The show is set in the coastal town of ...

Ryn (Eline Powell) finds shelter in the home of a local folklore expert, and encounters a device emitting a strange sound. Freeform/Eike Schroter Siren (8 p.m., Freeform) — It’s a tale as old as time.